1 Department of Nutrition, Catharina Hospital, Michelangelolaan 2, P.O. Box 1350, 5602, Eindhoven, ZA, The Netherlands. marieke.smelt@catharinaziekenhuis.nl.
2 Obesity Center, Catharina Hospital, Eindhoven, The Netherlands. marieke.smelt@catharinaziekenhuis.nl.
3 Department of Surgery, Catharina Hospital, Eindhoven, The Netherlands.
4 Obesity Center, Catharina Hospital, Eindhoven, The Netherlands.